CN202381906U - Short pipe provided with primary-secondary port inverted-tenon connector - Google Patents
Short pipe provided with primary-secondary port inverted-tenon connector Download PDFInfo
- Publication number
- CN202381906U CN202381906U CN2011205673584U CN201120567358U CN202381906U CN 202381906 U CN202381906 U CN 202381906U CN 2011205673584 U CN2011205673584 U CN 2011205673584U CN 201120567358 U CN201120567358 U CN 201120567358U CN 202381906 U CN202381906 U CN 202381906U
- Authority
- CN
- China
- Prior art keywords
- joint
- short tube
- tenon
- falling
- mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a short pipe provided with a primary-secondary port inverted-tenon connector, wherein a secondary port connection part is arranged at the front end of the short pipe, a primary port connection part is arranged at the tail end of the short pipe, each of the secondary port connection part and the primary port connection part includes an interference embedment section at the outer end and a lock section recessed relatively at the inner end, the respective an interference embedment section and lock section form a step structure, and the inverted-tenon lock structure is formed through connecting the secondary port connection part at the front end or the primary port connection part at the tail end with the primary port connection part or the secondary port connection part of the corresponding adjacent short pipe. The secondary and primary port inverted-tenon seal lock structure provided by the utility can connect firmly and avoid leakage.
Description
Technical field
The utility model is meant a kind of short tube with mother-son mouth connecting port of falling the tenon that is used for non-excavating construction especially relevant for a kind of pipeline configuration.
Background technique
Drainage pipe renewal at present, reparation aspect; Adopting more has non-excavation expand tube (expander), rams the pipe method, wears construction procesies such as intubation, internal lining pipe method; It is with short tube is on-the-spot pulls in the old pipeline while welding (short tube length is advisable with the requirement that meets the manual operation well and pull into) that wherein non-excavation short tube liner is repaired the worker; At last gap slip casting between the new and old pipeline is filled up, realize the renovation technique that old pipeline rehabilitation is reinforced.Because non-excavation short tube liner renovation technique needs whole plastic tube is truncated into pipe nipple, about the every long 60cm of short tube, the sweat soldering one by one in the down-hole, the per pass weld bond needs 20～30 minutes, bothers comparatively speaking, accomplishes construction amount in the unit time and is limited to; And the special short tube that is used for liner of producing of present domestic shortage influences the development of short tube lining technique.
In view of this; The artificial problem that solves above-mentioned known technology existence of the design; Be to be determined to be engaged in the experience that related domain is researched and developed for many years, made with it; The well-designed finally short tube with mother-son mouth connecting port of falling the tenon that goes out the utility model after repeatedly exploitation improvement, it can improve the defective of above-mentioned existing technology.
The model utility content
The technical problem that the utility model will solve is: a kind of short tube with mother-son mouth connecting port of falling the tenon is provided, and it can be connected to form new pipeline easily in the construction of non-excavation pipeline rehabilitation.
The technical solution of the utility model is: a kind of short tube with mother-son mouth connecting port of falling the tenon; The front end of said short tube is provided with the rim of the mouth joint; The tail end of said short tube is provided with female mouthful of joint; This rim of the mouth joint includes the mutual block of interference and the inner recessed relatively fastening section that is provided with of outer end with female mouth joint, and forms the non-return structure of cascade between mutual block of interference separately and the fastening section, through the rim of the mouth joint of front end or female mouthful of joint of tail end; Connect with corresponding female mouthful of joint or rim of the mouth joint in abutting connection with the short tube snap close that matches respectively, form the buckle structure of falling the tenon.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon; Wherein, This rim of the mouth joint comprises the indent position and the outstanding groove position of slope shape of tube wall periphery; This mother's mouth joint comprises the protrusion position and the recessed groove position of slope shape in week in the tube wall; Match with the groove position of said female mouthful of joint and form the mutual block of interference of the buckle structure of falling the tenon in the groove position of said rim of the mouth joint, the indent position of said rim of the mouth joint cooperatively interacts with the protrusion position of said female mouthful of joint and engages the fastening section that forms the buckle structure of falling the tenon, and the junction plane of said fastening section is flat or slope shape.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon; Wherein, The indent position of said rim of the mouth joint is the ring-type buckling groove that the bottom axially is flat; The protrusion position of said female mouthful of joint is that inwall axially is being the ring-type buckling part of flat, and the thickness at said ring-type buckling groove position and the thickness of said ring-type buckling part respectively are 1/2 of pipe thickness.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon; Wherein, The rim of the mouth joint of said short tube all is the planar structure of double slanted with female mouthful of joint; The indent position of rim of the mouth joint is the cone shape buckling groove that the bottom axially is slope shape, and the protrusion position of the correspondence of female mouthful of joint is that inwall axially is being the coniform buckling part of slope shape, and two adjacent joint short tubes hit and close the back and form the mutual block of interference that junction plane all is the conical surface contact and fasten section.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon; Wherein, Said buckling groove bottom is provided with the annular recess that is used to put fixed seal ring; After female mouthful of joint of said rim of the mouth joint and adjacent short tube healed up and push, the inwall at said seal ring and said female mouthful of joint protrusion position is the sturdy and said groove of turgor closely.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon, wherein, said seal ring is ring-like circle, its diameter of section is 1/5 of a thickness of pipe wall.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon, wherein, said short tube adopts the HDPE hdpe pipe.Said short tube is that the length that is connected to form the built-in sleeved pipe of non-excavation is the short tube joint of 600-1000mm.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon, wherein, in the said buckle structure of falling the tenon, the mutual block of said interference is close with the said length that fastens section or equate.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon, wherein, in the said buckle structure of falling the tenon, the groove angle of the mutual block of said interference is 7～15 °, the height at this ladder position is 3～5mm because of the different values of caliber.
Aforesaid short tube with mother-son mouth connecting port of falling the tenon; Wherein, said seal ring is to adopt water-swellable caulking gum or silica gel to process, and the specific volumetric dilatation of said water-swellable caulking gum is greater than 100%; Breaking strength is greater than 3MPa, and elongation at break is greater than 350%; The elongation percentage of said silica gel material is more than or equal to 350%, and its deformation rate is smaller or equal to 8.0%, and breaking strength is more than or equal to 6.0%.
The characteristics and the advantage of the utility model are:
1. tube coupling length can need design according to practice of construction, has controllability;
2. pipeline connection port is made into primary and secondary snap close form, has anticreep property;
3. pipeline connection port is provided with the sealing of O type circle, has barrier properties;
4. tube coupling light weight, volume are little, are convenient to operation.
Description of drawings
Fig. 1 is the structural representation of the utility model one specific embodiment.
Figure 1A is the partial structurtes enlarged diagram of short tube among Fig. 1.
Fig. 2, Fig. 2 A, Fig. 2 B, Fig. 2 C are the structural representation and the assembling action schematic representation of another specific embodiment of the utility model.
Fig. 3 is used for the application implementation schematic representation of the specific embodiment of built-in sleeved pipe restorative procedure of non-excavation and equipment for the short tube of the utility model.
Embodiment
Following conjunction with figs. and specific embodiment are done further to specify to the embodiment of the utility model.
The utility model proposes a kind of short tube structure; It mainly is applicable to the built-in sleeved pipe recovery technique of non-excavation; The two ends of this short tube have down the son of tenon structure, female mouthful of joint respectively; So that hit at adjacent two short tubes and to close the back and form the snap close sealing state, the front end of short tube is provided with the rim of the mouth joint, and the rear end of said short tube is provided with female mouthful of joint; This rim of the mouth joint includes the mutual block of interference of outer end and the fastening section of inner recessed relatively setting with mother's mouthful joint; And the mutual block of interference separately and fasten and to form the non-return structure of cascade between the section, rim of the mouth joint through front end or female mouthful of joint of tail end connect with corresponding female mouthful of joint or rim of the mouth joint in abutting connection with the short tube snap close that matches respectively, form the buckle structure of falling the tenon.
Specify below in conjunction with accompanying drawing and specific embodiment:
As shown in Figure 1; The short tube of present embodiment is to adopt a kind of short tube with mother-son mouth connecting port of falling the tenon; The front end 131 of this short tube is provided with rim of the mouth joint 133; The tail end 132 of short tube is provided with female mouthful of joint 134, and rim of the mouth joint 133 through front end and/or female mouthful of joint 134 of tail end connect with corresponding female mouthful of joint 134 or rim of the mouth joint 133 in abutting connection with the short tube snap close that matches respectively, form the buckle structure of falling the tenon.
This rim of the mouth joint is recessed into the fastening section that is provided with relatively with the mutual block of interference (glissile segment) and the inner that female mouthful of joint includes the outer end; And form the non-return structure of cascade between mutual block of interference separately and the fastening section; It is 3～5mm that the height at this ladder position is looked the different values of caliber, is convenient to the buckle structure of falling the tenon that assembles and seal thereby form.
Among one embodiment of the utility model; Please combine shown in Figure 1A; This rim of the mouth joint 133 comprises groove position 135 and the indent position 137 that the set slope shape of tube wall periphery is outstanding; This mother's mouth joint 134 comprises groove position 136 and the protrusion position 138 that the slope shape of Zhou Suoshe in the tube wall is recessed; Match with the groove position 136 of female mouthful of joint 134 and form the mutual block of interference of the buckle structure of falling the tenon in the groove position 135 of rim of the mouth joint 133, the indent position 137 of rim of the mouth joint 133 cooperatively interacts with the protrusion position 138 of female mouthful of joint 134 and engages the fastening section that forms the buckle structure of falling the tenon.The groove angle of the mutual block of this interference is preferably 10～20 °, so that convenience that is fastened and connected and steadiness.
Further; See also shown in Figure 1A; In the present embodiment, the indent position of rim of the mouth joint 133 137 axially is the ring-type buckling groove of flat for the bottom, and the protrusion position of female mouthful of joint 134 138 axially is being the ring-type buckling part of flat for inwall; So, realize hitting the fastening section that the mutual block peace of interference of closing back formation ramp type contact (conical surface) is directly touched (tubular) at two adjacent joint short tubes.Preferably, the thickness at the thickness at this ring-type buckling groove place and ring-type buckling part place is preferably and respectively is 1/2 of complete pipe thickness.
Among another embodiment of the utility model; Shown in Fig. 2 to Fig. 2 C; Wherein, Fig. 2 A is the local enlarged diagram of the rim of the mouth joint at I place among Fig. 2, and Fig. 2 B is the local enlarged diagram of the female mouthful of joint at II place among Fig. 2, Fig. 2 C be present embodiment short tube hit the action schematic representation that closes the procedural interface place.This rim of the mouth joint 133 comprises groove position 135 and the indent position 137 that the set slope shape of tube wall periphery is outstanding; This mother's mouth joint 134 comprises being the recessed groove position 136 of slope and protruding position 138 of the interior Zhou Suoshe of tube wall; Match with the groove position 136 of female mouthful of joint 134 and form the mutual block of interference of the buckle structure of falling the tenon in the groove position 135 of rim of the mouth joint 133, the indent position 137 of rim of the mouth joint 133 cooperatively interacts with the protrusion position 138 of female mouthful of joint 134 and engages the fastening section that forms the buckle structure of falling the tenon.These agent structures and last embodiment are similar, repeat no more here.
Different with the short tube among Fig. 1, Figure 1A is; In the present embodiment; The rim of the mouth joint of short tube all is double slanted planar (being the conical surface) structure with female mouthful of joint; The indent position 137 of rim of the mouth joint 133 axially is the taper buckling groove of slope shape for the bottom, and the protrusion position of the correspondence of female mouthful of joint 134 138 axially is being the taper buckling part of slope shape for inwall, and is like this; Realize hitting at adjacent two joint short tubes and close the back and form the mutual block of interference that junction plane all is the conical surface contact and fasten section, make that so to hit the process of closing more convenient, laborsaving.
The mutual block of the interference of short tube is generally 5 °～20 °, 7 °～15 ° of preferable employings with the cone angle of the conical surface (slope shape) that fastens the formation of section junction plane.In embodiment illustrated in fig. 1, the cone angle of the mutual block of its interference is 14 °; Among the embodiment shown in Figure 2, the mutual block of interference is 9 ° with the cone angle that fastens section.
Mother-son mouth dense block buckle structure is used to overcome the inconvenience that short tube lining processing in the past needs side weld edge fit at the scene to pull into; The mother-son mouth sealing snap close form that the utility model proposes is to heal up with bump through the method for the snap close of falling the tenon to realize that the PE short tube connects; Can prevent effectively that the mouth of pipe from coming off, make things convenient for the connection between the pipe nipple pipe again.
Because connecting with the more piece short tube, non-excavation sleeve pipe renovation technique realizes pipeline rehabilitation; Therefore, short tube sealing joint antiseepage design is very important, in the present embodiment; The short tube interface is except that adopting the above-described snap close of falling the tenon; Also increased sealing configuration: the indent position 137 of joint 133 is provided with the groove 139 of putting seal ring 130 in the rim of the mouth of short tube, is used for fixing seal ring 130, the extruding of healing up of warp and a female mouthful of joint 134; Seal ring 130 can with the tight sturdy and turgor groove of the inwall of female mouthful of joint 134, reach the hermetic seal effect.Preferably, the bottom corners place rounding (R1) of groove 139, further, the interior outer rim of joint end, rim of the mouth is also carried out rounding and is handled the convenience when assembling to improve.
Present embodiment is that sealing joint antiseepage design is used in combination with the snap close of falling the tenon, after short tube hits and closes connection, can not throw off voluntarily, can satisfy the leakage proof designing requirement again, has exempted welding procedure simultaneously.
Because non-excavation sleeve pipe technology is to hit incompatible completion pipeline rehabilitation with pipeline traction and interface, employed tubing no matter aspect intensity still toughness aspect, all must satisfy cutting and hit the demand of closing.When the utility model is implemented pipe workpiece quality and specification there is high requirements; Tubing should possess independent stressed intensity; Good toughness is arranged again; Also must have stronger shock resistance and cutting performance simultaneously, it is sleeve pipe tubing that the utility model is selected high density polyethylene (HDPE) PE plastic water pipe, makes that the short tube advantage of utilizing this kind tubing to process is remarkable: tension and excellent in cushion effect, good toughness; Corrosion-resistant, long service life; Less scaling, biocidal property is strong, nontoxic, compliance with environmental protection requirements, and can satisfy cutting and technological requirement etc.
The qualification of consideration operating space and easy to operate; According to drainage pipe delivery receiving acceptance standard; The short tube of present embodiment adopts the HDPE hdpe pipe, thereby utilizes its good rigidity and plasticity to set up short tube processing and interface structure, fully to satisfy construction requirement.
Tubing processing is chosen in factory usually and accomplishes: the cutting back (confirming length to satisfy in inspection shaft operability) that earlier the tubing raw material is cut into 600-1000mm by field condition and user demand; Use lathe on request the mouth of pipe to be cut into the mother's of falling tenon mouth structure of putting o-ring groove, concrete structure can be referring to table one.
The mother's of falling tenon mouth structure of table one short tube
For guaranteeing the antiseepage sealability of seal ring; Be to select water-swellable caulking gum material or silica gel to be made in one specific embodiment of the utility model; Wherein each item index of water-swellable caulking gum is shown in table two and table three; These two kinds of materials all have excellent sealing performance, good springiness, anticorrosive, characteristics such as anti-aging, long service life.Be processed into ring-like circle (its diameter of section for example selects to press 1/5 value of thickness of pipe wall), expansion coefficient increases behind the chance water, can satisfy seal request.
In sum, but adopt short tube can solve the operational issue in inspection shaft; With Interface design is that the mother-son mouth dense block of falling tenon buckle structure can solve firm, the non-leakage problem of connection; Adopt hydraulic haulage and interface to hit and close, can satisfy power evenly, heal up closely, drag demand in place.
In conjunction with shown in Figure 3, it is used for the application implementation schematic representation of the specific embodiment of built-in sleeved pipe restorative procedure of non-excavation and equipment for the short tube of the utility model.The built-in sleeved pipe prosthetic appliance of non-excavation is to come that through two inspection shafts therebetween pipeline to be repaiied is carried out non-excavation type to repair.Particularly; This pipeline rehabilitation equipment comprises that the power system of an inspection shaft 1 located therein (equipment work well) side and trailer system transfer short tube to the tail end of waiting to repair pipeline at another inspection shaft 1 (active well heals up) one by one; This trailer system is used for that traction drags short tube in this waits to repair the scope of pipeline; Be connected so that this short tube is hit to close with last short tube, this power system is mainly used in to this trailer system power is provided.This trailer system can be used for also that simultaneously each short tube is hit the new pipe section that closes back formation and drags to suitable position.
As shown in Figure 3; Built-in sleeved pipe restorative procedure of this non-excavation and equipment adopt hydraulic power system and mechanical traction system; Hydraulic power system comprises generator 3, hydraulic power station 4 and traction fluid cylinder pressure 6; Traction fluid cylinder pressure 6 satisfies pipeline traction and interface and hits the power demand of closing to mechanical traction system and pipeline assembly system outputting power.
Further, the traction fluid cylinder pressure is the upright hollow type oil hydraulic cylinder of putting of installing.In an application implementation example of the utility model, according to the demand of traction and traction form, confirm that the hydraulic workstation working pressure is 16MPa, rated flow is 8.5L/min; Confirm that the oil hydraulic cylinder form is the hollow type oil hydraulic cylinder, to trailer system and pipeline assembly system outputting power.Traction fluid cylinder pressure selection traction is 10 tons a oil hydraulic cylinder, hits the power demand of closing to satisfy pipeline traction and interface.
The mechanical traction system mainly is under the hydraulic power support; The form completion short tube of employing guide type shoe and the hinged traction of conduction chain hits to close with pipeline and drags; In one specific embodiment of the utility model, its mechanical traction system comprises that mainly traction controls frame 5, guide type shoe 8, drawing head 10, conduction chain 11 and rearmounted pressure disk 12.Wherein:
Traction is controlled frame 5 and is arranged at traction fluid cylinder pressure 6 tops, in order to control and the tractive operation of accomplishing conduction chain 11; This traction is controlled frame 5 and is comprised fixed support and hinge joint traction fastener, and support bracket fastened supporting foot is fixedly arranged on the traction fluid cylinder pressure 6 cylinder body overcoat top flange dishes, and its hinged traction fastener is provided with operating grip, is used to control the degree of tightness of conduction chain 11 front ends.Preferably, this traction is controlled frame 5 and is provided with and controls wheel, in order to the folding and unfolding control that realizes easily conduction chain.
The outside of this guide type shoe 8 is provided with studdle 9, so that adjustable ground is fixedly supported to the shaft bottom with guide type shoe 8.
Drawing head 10 is the tapered couplings that adopt the hollow that steel plate is welded into; Be used to lead and assemble pipeline and move ahead; It comprises the taper fixing part of front end and the joint of rear end, and this fixing part has the front end mesopore, is used for conduction chain 11 and wears the reverse pulley to rearmounted pressure disk by it; And be provided with fixedly snap ring in the drawing head, be used for fixing the tail end after conduction chain 11 is turned back; Joint is a tubular, forms stair-stepping limited part between itself and fixing part, is used for combining with the first segment short tube.
Rearmounted pressure disk 12 is arranged at the tail end that is hit the short tube that closes; Cooperate short tube enforcement alignment and balance thrust with conduction chain; Its front end is provided with the reverse pulley that can win, for example can this reverse pulley be connected with hook, and hook can hang on the retaining ring of rearmounted pressure disk 12 front ends.Short tube to be installed transfer and with last short tube 13 contrapositions after, the reverse pulley that will have a conduction chain 11 passes the front end that hang on rearmounted pressure disk behind this short tube to be installed; Hit after merging will hit the new pipe section that closes formation and drag to the precalculated position in completion, can this reverse pulley won from rearmounted pressure disk 12, so that decontrol rearmounted pressure disk 12, in order to the installation of next short tube to be installed.
The chain of conduction chain 11 for adopting special rolling-mill section (for example manganese steel) and processing through Overheating Treatment, its ability of bearing is preferably the maximum drawbar pull more than or equal to hydraulic power system; In the present embodiment; Conduction chain 11 passes the center hole of upright dress hollow type traction fluid cylinder pressure 6 earlier; And the leading block through guide type shoe 8 bottoms, is turned back to drawing head 10 inboards behind front end mesopore that continues to pass through drawing head 10 and reverse pulley to waiting to repair the guiding of the pipeline the other end; Be arranged on drawing head 10 in fixedly snap rings carry out hinge is connected fixing, the connection of the completion conduction chain 11 opposing modes of action.Preferably, conduction chain 11 is provided with the chain control gear, hits and closes direction and can reversing motion conduction chain 11 is controlled at short tube, guarantees to hit the reliability of closing action.
Among the embodiment of the utility model, the installation of this equipment is that the hydraulic system of equipment, each assembly of trailer system are assembled by the order of connection and got final product, and specifically comprises:
(1) the up-down link 7 of hollow type traction fluid cylinder pressure 6 and equipment (some joints, 1 meter at every joint are with interior many Dimensionss, hollow tubular, and two ends band mounting flange connects according to Len req) and the coupling sleeve of guide type shoe 8 are connected with flange-type; From its hollow bore, pass conduction chain 11 subsequent use simultaneously;
(2) the traction fluid cylinder pressure 6 after will assembling, up-down link 7 and traction are controlled frame 8 liftings and are stood in the operation well (a wherein inspection shaft 1), and traction are installed in the top control frame 5 (firm with nut); In its lower end the flexible stressed pin of the reassembling type of guide type shoe 8 is carried out the pin formula and install, and whole adjustment is upright steady;
(3) with conduction chain 11 through the short tube of waiting to repair pipeline 2 and being pulled to the other end active well that heals up, chain passes from drawing head 10 front end mesopores, and walks around the reverse pulley of hook-hang type of rearmounted pressure disk 12, turns back and to drawing head 10, fixes with bayonet lock.
(4) the hydraulic pressure transport pipe between installation hydraulic workstation 4 and the traction fluid cylinder pressure 6 is installed and is connected power station.
So promptly accomplished the installation of equipment, concrete working procedure afterwards is following:
(1) clean the short tube of completion of processing, and seal ring is installed, wherein, each short tube two ends is preferably the son with tenon structure, female mouthful of joint, closes back formation snap close sealing state thereby can hit at adjacent two short tubes;
(2) first segment short tube (for example its front end can be flat mouth, the rear end is female mouthful) is transported in the active well that heals up; The reverse pulley hook that will have conduction chain 11, hang on the rearmounted pressure disk 12 is taken; Pass to the back-end from first segment short tube front end, with the short tube front end sleeve on the joint of drawing head 10 tail ends.Then, use the method for passing, conduction chain 11 is passed the second joint short tube (for example the rim of the mouth is preceding, and female mouthful in the back), prepare built-in sleeve pipe operation with the first segment short tube;
(3) rim of the mouth of the second joint short tube front end and the tail end of first segment short tube are aligned for female mouthful; The reverse pulley hook that will have conduction chain 11 hangs on the rearmounted pressure disk 12; After the rearmounted pressure disk 12 and the second joint short tube tail end end face are coincide; Start hydraulic power unit and constantly pressurize, affect in the process at conduction chain 11 and heal up, and traction moves ahead through opposing active force completion short tube.Behind the in-position, pressure release pine chain.The down the 3rd, the 4th ... pipe joint, repeat the second joint short tube installation process, back and forth operation is between with two operation well sections till the full short tube of cover.
Can know by foregoing, utilize the short tube structure of the utility model, can so that the built-in sleeved pipe recovery technique of non-excavation have easy accessibility, easy and simple to handle, power steadily, noise free, free of contamination advantage.
Though the utility model discloses with specific embodiment, it is not in order to limit the utility model, any those skilled in the art; The displacement of the equivalent assemblies of under the prerequisite of design that does not break away from the utility model and scope, having done; Or equivalent variations and the modification done according to the utility model scope of patent protection, for example, in the utility model; This indent position and groove also can adopt the leaning structure of slope shape, and similar variation all should still belong to the category that this patent is contained.
Claims (10)
1. short tube with mother-son mouth connecting port of falling the tenon; It is characterized in that; The front end of said short tube is provided with the rim of the mouth joint; The tail end of said short tube is provided with female mouthful of joint, and this rim of the mouth joint includes the mutual block of interference and the inner recessed relatively fastening section that is provided with of outer end with female mouth joint, and forms hierarchic structure between mutual block of interference separately and the fastening section; Female mouthful of joint of rim of the mouth joint through front end or tail end connects with corresponding female mouthful of joint or rim of the mouth joint in abutting connection with the short tube snap close that matches respectively, forms the buckle structure of falling the tenon.
2. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 1; It is characterized in that; This rim of the mouth joint comprises the indent position and the outstanding groove position of slope shape of tube wall periphery; This mother's mouth joint comprises the protrusion position and the recessed groove position of slope shape in week in the tube wall; Match with the groove position of said female mouthful of joint and form the mutual block of interference of the buckle structure of falling the tenon in the groove position of said rim of the mouth joint, the indent position of said rim of the mouth joint cooperatively interacts with the protrusion position of said female mouthful of joint and engages the fastening section that forms the buckle structure of falling the tenon, and the junction plane of said fastening section is flat or slope shape.
3. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 2; It is characterized in that; The indent position of said rim of the mouth joint is the ring-type buckling groove that the bottom axially is flat; The protrusion position of said female mouthful of joint is that inwall axially is being the ring-type buckling part of flat, and the thickness at said ring-type buckling groove position and the thickness of said ring-type buckling part respectively are 1/2 of pipe thickness.
4. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 2; It is characterized in that; The rim of the mouth joint of said short tube all is the planar structure of double slanted with female mouthful of joint; The indent position of rim of the mouth joint is the cone shape buckling groove that the bottom axially is slope shape, and the protrusion position of the correspondence of female mouthful of joint is that inwall axially is being the coniform buckling part of slope shape, and two adjacent joint short tubes hit and close the back and form the mutual block of interference that junction plane all is the conical surface contact and fasten section.
5. like claim 3 or 4 described short tubes with mother-son mouth connecting port of falling the tenon; It is characterized in that; Said buckling groove bottom is provided with the annular recess that is used to put fixed seal ring; After female mouthful of joint of said rim of the mouth joint and adjacent short tube healed up and push, the inwall at said seal ring and said female mouthful of joint protrusion position is the sturdy and said groove of turgor closely.
6. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 5 is characterized in that, said seal ring is ring-like circle, and its diameter of section is 1/5 of a thickness of pipe wall.
7. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 1 is characterized in that, said short tube adopts the HDPE hdpe pipe; Said short tube is that the length that is connected to form the built-in sleeve pipe tube coupling of non-excavation is the short tube joint of 600-1000mm.
8. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 4 is characterized in that, in the said buckle structure of falling the tenon, the mutual block of said interference is close with the said length that fastens section or equate.
9. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 1 is characterized in that, in the said buckle structure of falling the tenon, the groove angle of the mutual block of said interference is 7～15 °, and the height at this ladder position is 3～5mm because of the different values of caliber.
10. the short tube with mother-son mouth connecting port of falling the tenon as claimed in claim 4; It is characterized in that; Said seal ring is to adopt water-swellable caulking gum or silica gel to process; The specific volumetric dilatation of said water-swellable caulking gum is greater than 100%, and breaking strength is greater than 3MPa, and elongation at break is greater than 350%; The elongation percentage of said silica gel material is more than or equal to 350%, and its deformation rate is smaller or equal to 8.0%, and breaking strength is more than or equal to 6.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205673584U CN202381906U (en) | 2011-12-30 | 2011-12-30 | Short pipe provided with primary-secondary port inverted-tenon connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205673584U CN202381906U (en) | 2011-12-30 | 2011-12-30 | Short pipe provided with primary-secondary port inverted-tenon connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202381906U true CN202381906U (en) | 2012-08-15 |
Family
ID=46630409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205673584U Expired - Lifetime CN202381906U (en) | 2011-12-30 | 2011-12-30 | Short pipe provided with primary-secondary port inverted-tenon connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202381906U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996140A (en) * | 2012-12-14 | 2013-03-27 | 三一重型装备有限公司 | Heading machine and body frame thereof |
| CN106622042A (en) * | 2017-02-21 | 2017-05-10 | 淮阴工学院 | U-shaped tube, machining device and surface machining method thereof |
| CN106969197A (en) * | 2017-03-28 | 2017-07-21 | 杨君锋 | Underground deformation pipe renovating system |
-
2011
- 2011-12-30 CN CN2011205673584U patent/CN202381906U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996140A (en) * | 2012-12-14 | 2013-03-27 | 三一重型装备有限公司 | Heading machine and body frame thereof |
| CN106622042A (en) * | 2017-02-21 | 2017-05-10 | 淮阴工学院 | U-shaped tube, machining device and surface machining method thereof |
| CN106622042B (en) * | 2017-02-21 | 2022-07-29 | 淮阴工学院 | U-shaped pipe, machining device and surface machining method thereof |
| CN106969197A (en) * | 2017-03-28 | 2017-07-21 | 杨君锋 | Underground deformation pipe renovating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518907B (en) | Trenchless built-in sleeve pipeline repairing equipment and method | |
| WO2009136287A8 (en) | Aluminum riser assembly | |
| CA2725126A1 (en) | Drill stem connection | |
| CN202381906U (en) | Short pipe provided with primary-secondary port inverted-tenon connector | |
| CN204458309U (en) | A kind of mounting structure of water pump | |
| CN202381921U (en) | Non-excavating sleeve-inbuilt pipeline repair equipment | |
| MX2009003781A (en) | Welded joint for lined pipe and components thereof. | |
| CN203515346U (en) | Special lined oil pipe | |
| CA2449857A1 (en) | Wear sleeve | |
| KR101868989B1 (en) | Multi-type sewer pipe repair equipment that can be used as water diverting device | |
| CN204403342U (en) | The two turbine gearbox of reel sprinkling irrigation machine | |
| CN206626312U (en) | A kind of fast joint of waterpipe | |
| CN202469311U (en) | High-pressure rubber pipe assembly | |
| CN202152883U (en) | Glass reinforced plastic winding pipe with inserting-bearing port | |
| TW200951313A (en) | Structure of divided-type joint for increasing pipe connection strength | |
| CN203757223U (en) | Locking type pipe joint | |
| CN207701079U (en) | A kind of non-excavation-use high intensity time expansion device | |
| CN101474465A (en) | Trough type mechanical joint fireplug and method for connecting fireplug and water inlet pipe | |
| CN206191070U (en) | A portable gallows | |
| CN201074482Y (en) | Connection structure for sealing pipeline of circular ring and conus | |
| CN113276058B (en) | Portable flexible lining pipe joint installation device | |
| CN2474866Y (en) | Circular arc sealing type pressure pipe joint | |
| CN207848716U (en) | Novel PE pipe fittings | |
| CN201355353Y (en) | Novel ultrasonic detection tube | |
| CN103791185A (en) | Locking type pipe connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |